When looking at the source code for RDKModuleInstall, I found that it writes error messages to a disk file called upgrade.log. Why would it do this instead of writing them to a place where the user is more likely to see them?

One reason might be that you can't use Message_Box etc. when you run something from the System Editor as there is no message loop. Is there a way to set up a windowing context within a routine that you expect to be run from within the System Editor? So that if someone types 'run routine "param"', 'routine' will be able to pop up a message box?

Or how about the results viewer? Is there a way to write text there?

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